Fewer red flags when celecoxib (Celebrex) is given to patients with a sulfa allergy

As a clinical pharmacist, it's important to understand sulfonamide "sulfa" allergy. Many medications containing sulfonamide chemical group have labels that warn against using them in patients who have had an allergic reaction to sulfonamides in the past. There is a potential for cross-reactivity between members of a specific class (e.g, two antibiotic …